--- service: h.root-servers.net metric: traffic-volume start-period: '2015-08-16T00:00:00Z' end-period: '2015-08-16T23:59:59Z' dns-udp-queries-received-ipv4: 2064170688 dns-udp-queries-received-ipv6: 157170888 dns-tcp-queries-received-ipv4: 105498 dns-tcp-queries-received-ipv6: 199049 dns-udp-responses-sent-ipv4: 1717311539 dns-udp-responses-sent-ipv6: 156926929 dns-tcp-responses-sent-ipv4: 40900 dns-tcp-responses-sent-ipv6: 176795